EbookFoundation/free-programming-books

The library for web and native user interfaces. Contribute to facebook/react development by creating an account on GitHub.

Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

Awesome lists about all kinds of interesting topics - sindresorhus/awesome.

Algorithms and data structures implemented in JavaScript with explanations and links to further readings.

An opinionated list of awesome Python frameworks, libraries, software and resources.

freeCodeCamp.org's open-source codebase and curriculum.